•Police captured Dzhokhar Tsarnaev, 19, on Friday night after a day-long manhunt using a helicopter with thermal imaging technology•Filmed hiding in a covered boat in Watertown by homeowner who ventured out after curfew was lifted•He and law enforcement officers engaged in a furious exchange of gun-fire that began shortly after 7pm•The stand-off continued until 8.45 pm. when Tsarnaev surrendered himself to police

•He was rushed to Beth Israel Deaconess Medical Center where many marathon victims are being treated •He was said to be 'clinging to life' this morning as Gov. Deval Patrick says he hopes he survivesDramatic photographs reveal how breakthrough heat technology helped police home in on the second marathon bombing suspect 19-year-old Dzhokhar Tsarnaev.

The pictures reveal how state-of-the-art thermal imaging cameras helped police track the Chechen terror suspect while he hid on David Henneberry's boat for his final stand off in Watertown following a terrifying week of violence.

Henneberry called 911 after spotting blood and what he thought was a crumpled body in his boat, which was sitting in the backyard of his home.

Authorities then used a helicopter equipped with a thermal imaging device to confirm that there was a body in the tarp covered boat and that the person was alive. [link to www.dailymail.co.uk]

Photos 19:19 and 19:22 - no damage, no flapPhotos 19:35 and 19:36 - cover ripped openPhoto 20:01 - cover ripped openPhoto where he's exiting the boat - the only damage present at that time was the cover ripped open.

Photos 19:19 and 19:22 - no damage, no flapPhotos 19:35 and 19:36 - cover ripped openPhoto 20:01 - cover ripped openPhoto where he's exiting the boat - the only damage present at that time was the cover ripped open.